Factors Associated With Persistent and Nonpersistent Chronic Constipation, Over 20 Years Rok Seon Choung, G. Richard Locke, Enrique Rey, Cathy D. Schleck, Charles Baum, Alan R. Zinsmeister, Nicholas J. Talley Clinical Gastroenterology and Hepatology Volume 10, Issue 5, Pages 494-500 (May 2012) DOI: 10.1016/j.cgh.2011.12.041 Copyright © 2012 AGA Institute Terms and Conditions
Figure 1 Proportion of those with persistent CC, nonpersistent CC, or no CC. Clinical Gastroenterology and Hepatology 2012 10, 494-500DOI: (10.1016/j.cgh.2011.12.041) Copyright © 2012 AGA Institute Terms and Conditions